. "Smith, Robert, 1689-1768" . . . . . . "Cotes, Roger, 1682-1716 Harmonia mensurarum" . . . "Cotes, Roger, 1682-1716 Hydrostatical and pneumatical lectures" . . . "Smith, Robert, 1689-1768 A compleat system of opticks in four books" . . . "Smith, Robert, 1689-1768 A postscript to Dr. Smith's Harmonics, upon the changeable harpsichord : which being supplied with all the useful flat and sharp sounds and tuned in the best manner, is made as harmonious as possible, and yet the execution of music upon this perfect instrument is the same as upon the common harpsichord" . . . "Smith, Robert, 1689-1768 Cours complet d'optique" . . . "Smith, Robert, 1689-1768 Harmonics" . . . "Smith, Robert, 1689-1768 Harmonics, or The philosophy of musical sounds" . . . "Smith, Robert, 1689-1768 Harmonics, or The philosophy of musical sounds" . . . "Smith, Robert, 1689-1768 The elementary parts of Dr. Smith's Compleat system of opticks" .